Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"dung van ngoc snippets" » "duong van ngoc snippets", "dung va ngoc snippets", "dang van ngoc snippets", "dung tran ngoc snippets", "dung van hoc snippets", "dung van nghe snippets", "dung van ngoc slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using c code snippets") or ("dung van ngoc snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung van ngoc snippets"))) OR ("locating bung code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung van ngoc snippets"))) or ("locating bung code snippets"))*.